Error indication
1. Power switch
Blinking state of LED light
2. LED lights
Four lights are not lit.
Inner two lights blink, and outer
two lights are not lit.
Outer two lights blink and inner
two lights are not lit.
The second and fourth LED lights
from the bottom blink.
Starting and Stopping
When the unit stops during operation or when an error is indi-
cated on the charger during recharging, check for any error in-
dication on the backpack battery.
Hold down the LED button for 3 seconds or longer, and an er-
ror of the backpack battery is indicated.
Take a recovery method that corresponds to each error indi-
cation.
When there is no error on the backpack battery, remaining
amount of the battery is indicated.
Remaining amount of the battery is also indicated when the
LED button is pressed under 3 seconds.
When the LED lights are not lit, the trouble is diagnosed as a
failure of the backpack battery. Please consult your dealer.
∗ Check for any error before operating the power switch. If the
power switch is operated, an error may not be indicated.
If an error is not indicated, it means an error of the ECHO re-
chargeable power tool or the charger. In that case, check them
according to each operator's manual.
Description of error
Internal failure, etc.
Overcurrent protection
Temperature of the battery is
within the range where recharging
is prohibited.
Temperature of the battery is
within the range where recharging
and discharging are prohibited.
15
Recovery method
Ask your dealer for repair.
Turn off the power switch
and turn on the power
switch again.
Adapt the battery to nor-
mal temperature.
Cool the battery to normal
temperature.